当一个品种抗病性是普遍一致地对病原物的所有小种的,我们称它是水平的;由微效基因控制,即是数量性状;其流行作用主要是降低流行速率,抗病性能一般仅达中等程度,对环境条件变化较敏感,但不会因病原物小种改变而很快“丧失”,比较稳定持久。
②、水平抗病性(horizontal resistance): 寄主品种与病原物小种之间没有特异的相互作用, 一 个品种对同种病原物的所有生理小种的反应是一致的,即 非小种专化的; 生产上...
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接种试验及田间观察结果表明,钟村1号对3个株系病毒抗性均表现出较高水平,发病轻微,具有较强而稳定的水平抗病性。
Inoculation test and field observation showed that Zhongcun 1 has considerably high and stable horizontal resistance to 3 strains of the virus.
植物中抗病基因所决定的抗病性是一种高水平的品种对病原菌小种的专化抗性。
Plants disease resistance controlled by the resistance gene (r gene) is a resistance with high specificity at the cultivar to race level.
研究了12个不同抗性水平的烟草品种接种黄瓜花叶病毒前后过氧化氢酶活性的动态变化及其与烟草抗病性的关系。
The change of catalase activity in 12 tobacco cultivars with different resistances after inoculating cucumber Mosaic virus and its relationship with tobacco resistance were studied.
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